@article{FPM_2005_11_6_a6,
     author = {W. V. Zudilin},
     title = {An elementary proof of the irrationality of {Tschakaloff} series},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {59--64},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_6_a6/}
}